public virtual void TestException() { bus.WriteLong(0x08, 0x56789); bus.WriteLong(0x0c, 0x12345); bus.WriteLong(0x10, 0x23456); cpu.SetPC(0x32); cpu.SetSR(0x04); cpu.SetAddrRegisterLong(7, 0x0100); cpu.SetSSP(0x0200); cpu.RaiseException(2); Assert.Equal(0x56789, cpu.GetPC()); Assert.Equal(0x01fa, cpu.GetAddrRegisterLong(7)); Assert.Equal(0x0100, cpu.GetUSP()); Assert.True(cpu.IsSupervisorMode()); int sr = cpu.PopWord(); int pc = cpu.PopLong(); Assert.Equal(0x04, sr); Assert.Equal(0x32, pc); cpu.SetSR(sr); Assert.False(cpu.IsSupervisorMode()); Assert.Equal(0x0100, cpu.GetUSP()); Assert.Equal(0x0100, cpu.GetAddrRegisterLong(7)); Assert.Equal(0x0200, cpu.GetSSP()); }
public int Execute(int opcode) { int vector; if ((opcode & 0xf000) == 0xa000) { vector = 10; } else if ((opcode & 0xf000) == 0xf000) { vector = 11; } else { vector = 4; } cpu.RaiseException(vector); return(34); }